Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C205/00—Compounds containing nitro groups bound to a carbon skeleton
  • C07C205/13—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups
  • C07C205/20—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups having nitro groups and hydroxy groups bound to carbon atoms of six-membered aromatic rings
  • C07C205/21—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups having nitro groups and hydroxy groups bound to carbon atoms of six-membered aromatic rings having nitro groups and hydroxy groups bound to carbon atoms of the same non-condensed six-membered aromatic ring
  • C07C205/24—Compounds containing nitro groups bound to a carbon skeleton the carbon skeleton being further substituted by hydroxy groups having nitro groups and hydroxy groups bound to carbon atoms of six-membered aromatic rings having nitro groups and hydroxy groups bound to carbon atoms of the same non-condensed six-membered aromatic ring having three, and only three, nitro groups bound to the ring
• • C—CHEMISTRY; METALLURGY
  • C06—EXPLOSIVES; MATCHES
  • C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
  • C06B41/00—Compositions containing a nitrated metallo-organic compound
• • C—CHEMISTRY; METALLURGY
  • C06—EXPLOSIVES; MATCHES
  • C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
  • C06C7/00—Non-electric detonators; Blasting caps; Primers

Definitions

• the present invention concerns salts of styphnic acid, a process for their preparation and their use.
• the object of the present invention was to provide a substance which is suitable as a primer substance and which overcomes the disadvantages of the prior art. Further objects consisted in providing a primer substance having a decomposition temperature of over 300° C., which is free from heavy metals, is suitable for both mechanical and electrical ignition systems, can be used e.g. in vehicle safety systems, ammunition and propellant cartridges for powder actuated tools, and/or the preparation of which is possible by simple industrial processes.
• the preparation of the primer substance according to the invention is achieved starting from an aqueous magnesium styphnate solution:
• styphnates can be used according to the invention as a primer substance both individually and in a mixture with one another and/or optionally in a mixture with the conventional additives, such as e.g. oxidising agents, reducing agents, sensitising agents, binders, high-energy additives and combustion modifiers and processing auxiliaries.
• conventional additives such as e.g. oxidising agents, reducing agents, sensitising agents, binders, high-energy additives and combustion modifiers and processing auxiliaries.
• the substances according to the invention are used as a primer substance, this is distinguished by freedom from heavy metals, high thermal stability and, in the case of calcium styphnate and potassium-calcium styphnate, by the content of calcium, which is advantageous for weapons systems through the formation of calcium carbonate in the combustion residues, owing to the favourable tribological properties of calcium carbonate.
• the decomposition temperatures of the styphnates according to the invention are approx. 335° C.
• the primer substance can be ignited both mechanically and electrically.
• the present invention provides:
• Potassium-calcium styphnate prepared by the addition of alkali hydroxides to a potassium-calcium styphnate suspension, was investigated by atomic absorption spectroscopy. The following proportions of potassium and calcium were found:

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Air Bags (AREA)
• Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
• Compositions Of Macromolecular Compounds (AREA)
• Meat, Egg Or Seafood Products (AREA)
• Adhesives Or Adhesive Processes (AREA)
• Processing Of Solid Wastes (AREA)

Applications Claiming Priority (4)

Publications (2)

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Citations (6)

Family Cites Families (6)

• 2006
  • 2006-12-18 WO PCT/EP2006/069846 patent/WO2007071649A2/fr not_active Ceased
  • 2006-12-18 BR BRPI0620039A patent/BRPI0620039B1/pt not_active IP Right Cessation
  • 2006-12-18 CA CA2633607A patent/CA2633607C/fr active Active
  • 2006-12-18 ZA ZA200805701A patent/ZA200805701B/xx unknown
  • 2006-12-18 US US12/158,367 patent/US7915456B2/en active Active
  • 2006-12-18 PL PL06830685T patent/PL1966120T3/pl unknown
  • 2006-12-18 RU RU2008126170/04A patent/RU2433993C2/ru active
  • 2006-12-18 EP EP06830685A patent/EP1966120B1/fr active Active
  • 2006-12-18 JP JP2008546415A patent/JP5279508B2/ja not_active Expired - Fee Related
• 2008
  • 2008-07-01 NO NO20082973A patent/NO341292B1/no unknown

Patent Citations (6)

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